define(['jquery'], function($){
		window.String.prototype.toFixed = function(n) {
		var num = Number(this);
		return num.toFixed(n);
	}
	
	var common = {
		// 开启loading
		loadingBegin: function() {
			var $loading = $('#loading');
			if(!$loading.length) {
				var htmlStr = `
				<div id="loading" class="loading">
				<p>
					<span class="circel">我</span>
					<span class="circel">最</span>
					<span class="circel">帅</span>
				</p>
				<p class="loadingText">努力加载中......</p>
			</div>`;
				$('body').prepend(htmlStr);
			} else {
				$loading.show();
			}
		},
		// 关闭loading
		loadingFinish: function() {
			setTimeout(function() {
				$('#loading').hide();
			}, 300);
		},
	
		/**
		 * name是你要获取的参数名称 
		 */
		getUrlParam(name) {
			var query = window.location.search.substring(1);
			var vars = query.split("&");
			for(var i = 0; i < vars.length; i++) {
				var pair = vars[i].split("=");
				if(pair[0] == name) {
					return pair[1];
				}
			}
			return(false);
		}
	}
	return common;
})
